| 1 | @@ |
| 2 | type T; |
| 3 | identifier tmp; |
| 4 | T a, b; |
| 5 | @@ |
| 6 | - T tmp = a; |
| 7 | + T tmp; |
| 8 | + tmp = a; |
| 9 | a = b; |
| 10 | b = tmp; |
| 11 | |
| 12 | @ swap @ |
| 13 | type T; |
| 14 | T tmp, a, b; |
| 15 | @@ |
| 16 | - tmp = a; |
| 17 | - a = b; |
| 18 | - b = tmp; |
| 19 | + SWAP(a, b); |
| 20 | |
| 21 | @ extends swap @ |
| 22 | identifier unused; |
| 23 | @@ |
| 24 | { |
| 25 | ... |
| 26 | - T unused; |
| 27 | ... when != unused |
| 28 | } |